package com.heima.service.impl;

import com.alibaba.cloud.commons.lang.StringUtils;
import com.heima.dto.WmLoginDto;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.entity.WmUser;
import com.heima.dao.WmUserDao;
import com.heima.service.WmUserService;
import com.heima.utils.common.AppJwtUtil;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;


import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;

/**
 * 自媒体用户表(WmUser)表服务实现类
 *
 * @author makejava
 * @since 2022-04-09 18:18:22
 */
@Service("wmUserService")
public class WmUserServiceImpl implements WmUserService {
    @Resource
    private WmUserDao wmUserDao;

    /**
     * 通过ID查询单条数据
     *
     * @param id 主键
     * @return 实例对象
     */
    @Override
    public WmUser queryById(Integer id) {
        return this.wmUserDao.queryById(id);
    }

    /**
     * 分页查询
     *
     * @param wmUser 筛选条件
     * @param pageRequest      分页对象
     * @return 查询结果
     */
   /* @Override
    public Page<WmUser> queryByPage(WmUser wmUser, PageRequest pageRequest) {
        long total = this.wmUserDao.count(wmUser);
        return new PageImpl<>(this.wmUserDao.queryAllByLimit(wmUser, pageRequest), pageRequest, total);
    }*/

    /**
     * 新增数据
     *
     * @param wmUser 实例对象
     * @return 实例对象
     */
    @Override
    public WmUser insert(WmUser wmUser) {
        this.wmUserDao.insert(wmUser);
        return wmUser;
    }

    /**
     * 修改数据
     *
     * @param wmUser 实例对象
     * @return 实例对象
     */
    @Override
    public WmUser update(WmUser wmUser) {
        this.wmUserDao.update(wmUser);
        return this.queryById(wmUser.getId());
    }

    /**
     * 通过主键删除数据
     *
     * @param id 主键
     * @return 是否成功
     */
    @Override
    public boolean deleteById(Integer id) {
        return this.wmUserDao.deleteById(id) > 0;
    }

    @Override
    public ResponseResult login(WmLoginDto dto) {
        //1.检查参数
        if (StringUtils.isEmpty(dto.getName()) || StringUtils.isEmpty(dto.getPassword())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID, "用户名或密码为空");
        }
        //2.查询用户
        WmUser wmUser = wmUserDao.queryByUsername(dto.getName());
        if (wmUser == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        //3.比对密码
        String salt = wmUser.getSalt();
        String password = dto.getPassword();
        String password1 = DigestUtils.md5DigestAsHex((password + salt).getBytes());
        if (password1.equals(wmUser.getPassword())) {
            //4.返回数据  jwt
            Map<String, Object> map = new HashMap<>();
         map.put("token", AppJwtUtil.getToken(wmUser.getId().longValue()));
            wmUser.setPassword("");
            wmUser.setSalt("");
            map.put("user", wmUser);
            return ResponseResult.okResult(map);
        } else {
                 return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
    }
}
